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https://github.com/holub/mame
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video21: added hopper (nw)
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df08950720
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666a649015
@ -12,11 +12,10 @@ Video Ram = 7 x 2102 (bit 7 omitted). Main Ram = 2x MCM145101 (=M5101L).
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The game has sound (there's a LM380N visible), looks like there's a bunch of TTL chips
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involved, and a 555.
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To Do:
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TODO:
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- improve sound, it's definitely beeper pitch control, but sounds offtune
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- identify all dips (7 total), there should be one for amusement/casino, and probably also win chance
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- identify all dips (7 total)
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- confirm CPU clock
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- unknown status bits? eg. hopper
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- color overlay as seen on flyer upright cabinet
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When booted, press Key out (mapped to W by default) to get it going.
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@ -47,6 +46,7 @@ public:
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{ }
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void video21(machine_config &config);
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DECLARE_CUSTOM_INPUT_MEMBER(hopper_coinout_r);
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protected:
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virtual void machine_start() override;
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@ -56,6 +56,11 @@ private:
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DECLARE_WRITE8_MEMBER(lamp1_w);
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DECLARE_WRITE8_MEMBER(lamp2_w);
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int m_hopper_motor;
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int m_hopper_coin;
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emu_timer *m_hopper_timer;
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TIMER_CALLBACK_MEMBER(hopper_coinout);
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void mem_map(address_map &map);
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void io_map(address_map &map);
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@ -100,6 +105,14 @@ uint32_t video21_state::screen_update(screen_device &screen, bitmap_ind16 &bitma
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return 0;
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}
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TIMER_CALLBACK_MEMBER(video21_state::hopper_coinout)
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{
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m_hopper_coin = param;
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if (m_hopper_motor || m_hopper_coin)
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m_hopper_timer->adjust(attotime::from_msec(100), m_hopper_coin ^ 1);
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}
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WRITE8_MEMBER(video21_state::sound_w)
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{
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// beeper pitch
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@ -109,14 +122,30 @@ WRITE8_MEMBER(video21_state::sound_w)
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WRITE8_MEMBER(video21_state::lamp1_w)
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{
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// d1-d3: coincounters
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machine().bookkeeping().coin_counter_w(0, data & 0x04); // coin in
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machine().bookkeeping().coin_counter_w(1, data & 0x08); // keeper coin out
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machine().bookkeeping().coin_counter_w(2, data & 0x02); // hopper coin out
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// d4: hopper motor
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if (!m_hopper_motor && BIT(data, 4))
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m_hopper_timer->adjust(attotime::from_msec(100), 1);
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m_hopper_motor = BIT(data, 4);
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// lamps:
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// d5: take/stand(which?)
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// d6: take/stand(which?)
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// d7: start
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for (int i = 0; i < 8; i++)
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m_lamps[i+0] = BIT(data, 7-i);
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// TODO: also hopper out
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}
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WRITE8_MEMBER(video21_state::lamp2_w)
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{
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// lamps:
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// d5: bet
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// d6: accept win/double(which?)
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// d7: accept win/double(which?)
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for (int i = 0; i < 8; i++)
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m_lamps[i+8] = BIT(data, 7-i);
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}
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@ -138,6 +167,11 @@ void video21_state::io_map(address_map &map) {
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}
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CUSTOM_INPUT_MEMBER(video21_state::hopper_coinout_r)
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{
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return m_hopper_coin;
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}
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static INPUT_PORTS_START( video21 )
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PORT_START("IN41")
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PORT_DIPNAME( 0x01, 0x01, "41b0" )
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@ -149,9 +183,9 @@ static INPUT_PORTS_START( video21 )
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PORT_DIPNAME( 0x04, 0x04, "41b2" )
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PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPNAME( 0x08, 0x08, "41b3" )
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PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_DIPNAME( 0x08, 0x08, "Win Mode" )
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PORT_DIPSETTING( 0x08, "Amusement" ) // winnings get added to credits
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PORT_DIPSETTING( 0x00, "Casino" ) // winnings go to coin out
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PORT_DIPNAME( 0x10, 0x10, "41b4" )
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PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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@ -170,9 +204,7 @@ static INPUT_PORTS_START( video21 )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_GAMBLE_TAKE )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_GAMBLE_STAND )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_GAMBLE_KEYOUT )
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PORT_DIPNAME( 0x40, 0x40, "42b6" ) // some hopper status?
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PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
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PORT_DIPSETTING( 0x00, DEF_STR( On ) )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, video21_state, hopper_coinout_r, nullptr)
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
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PORT_START("IN44")
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@ -188,7 +220,7 @@ static INPUT_PORTS_START( video21 )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_GAMBLE_DOOR )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_GAMBLE_BET )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_GAMBLE_D_UP ) PORT_NAME("Double Or Nothing")
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_GAMBLE_PAYOUT ) PORT_NAME("Accept") // transfer winnings to credits
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_GAMBLE_PAYOUT ) PORT_NAME("Accept Win")
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PORT_DIPNAME( 0x80, 0x80, "Max Bet" )
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PORT_DIPSETTING( 0x80, "10" )
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PORT_DIPSETTING( 0x00, "2" )
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@ -214,7 +246,16 @@ GFXDECODE_END
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void video21_state::machine_start()
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{
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m_hopper_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(video21_state::hopper_coinout),this));
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m_lamps.resolve();
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// zerofill/register for savestates
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m_hopper_motor = 0;
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m_hopper_coin = 0;
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save_item(NAME(m_hopper_motor));
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save_item(NAME(m_hopper_coin));
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}
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void video21_state::video21(machine_config &config)
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@ -242,7 +283,6 @@ void video21_state::video21(machine_config &config)
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}
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ROM_START( video21 )
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ROM_REGION( 0x1000, "maincpu", 0 )
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ROM_LOAD_NIB_HIGH( "2", 0x0000, 0x0400, CRC(05585e39) SHA1(7eefb5d63b4499a303ecdcad6af5df9fe9c89205) )
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